QST International Corp. engages in the manufacture and distribution of automotive fasteners and metal parts. It operates through the following segments: Taiwan, China, Germany, and Others. Its products include screws and nuts, external and internal-threaded fasteners, non-fasteners, induction hardened bolts, weld bolts and studs, and multi-die headed pins and rivets. The company was founded on April 10, 1985 and is headquartered in Tainan, Taiwan.